195985000 has 80 divisors (see below), whose sum is σ = 483595200. Its totient is φ = 74232000.

The previous prime is 195984991. The next prime is 195985037. The reversal of 195985000 is 589591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 93969 + ... + 96031.

It is an arithmetic number, because the mean of its divisors is an integer number (6044940).

Almost surely, 2^195985000 is an apocalyptic number.

195985000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195985000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241797600).

195985000 is an abundant number, since it is smaller than the sum of its proper divisors (287610200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195985000 is a wasteful number, since it uses less digits than its factorization.

195985000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 195985000 is about 13999.4642754643. The cubic root of 195985000 is about 580.8637546474.

The spelling of 195985000 in words is "one hundred ninety-five million, nine hundred eighty-five thousand".